A gravastar (a portmanteau of gravitational vacuum star) is a hypothetical astronomical object proposed as an alternative to the standard black hole model in general relativity. The gravastar comprises three regions, differentiated by the relationship between the pressure p and energy density ρ.
A gravastar (a portmanteau of gravitational vacuum star) is a hypothetical astronomical object proposed as an alternative to the standard black hole model in general relativity. The gravastar comprises three regions, differentiated by the relationship between the pressure p and energy density ρ.
Source: Wikipedia "Gravastar" · CC BY-SA 4.0
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